The genus Aridelus Marshall (Hymenoptera, Braconidae, Euphorinae) from Japan, with description of a new species Author Fujie, Shunpei https://orcid.org/0000-0002-1624-964X Osaka Museum of Natural History, Nagaikoen 1 - 23, Higashisumiyoshi, Osaka 546 - 0034, Japan shunpei.fujie@gmail.com Author Maeto, Kaoru Laboratory of Insect Biodiversity and Ecosystem Science, Graduate School of Agricultural Science, Kobe University, Rokkodaicho 1 - 1, Nada, Kobe, Hyogo 657 - 8501, Japan text ZooKeys 2022 2022-04-06 1092 105 122 http://dx.doi.org/10.3897/zookeys.1092.73299 journal article http://dx.doi.org/10.3897/zookeys.1092.73299 1313-2970-1092-105 85ACA852BA574845B15594B08C028559 CE6BAB58C80E54DB9F2DC4F1F5CC33C4 Aridelus elasmuchae Maeto & Kudo, 1992 Fig. 2A-C Aridelus elasmuchae Maeto & Kudo, 1992: 78. [Type locality: Japan] Material. Japan Hokkaido : 1♀ , holotype , Nopporo , 15.VII.1986 , S. Kudo leg. (NARO) ; 2♂♂ , Sapporo City , Hitsujigaoka , 20-27.VI.2011 , MsT., K. Konishi leg. (OMNH) . 2♀♀ and 2♂♂ , same data except 27.VI-4.VII.2011 (OMNH) ; 1♀ , Kumaishi Town , Ken'ichi-gawa , Iwafuchi-zawa , 15-20.VI.1995 , MsT., Y. Ito & T. Ito leg. (NARO). Honshu : 1♀ , Aomori Pref. , Mt. Iwaki , 28.IX.1983 , M. Miyazaki leg. (NARO) ; 9♀♀ 7♂♂ , Miyagi Pref. , Minamisanriku Town , Hinokuchi , 5.VI-12.VII.2015 , MsT., H. Yamazaki & S. Fujie leg. (OMNH) ; 2♂♂ , same data except 28.IX-6.XI.2015 (OMNH) ; 1♀ , Miyagi Pref. , Minamisanriku Town , Mt. Tatsugane , 5.VIII.2016 , S. Fujie leg. (OMNH) ; 1♂ , Toyama Pref. , Toyama City , Arimine , Jurodani , 1120 m alt., 7-14.VII.2009 , MsT., M. Watanabe leg. (KPMNH) ; 1♀ , Hyogo Pref. , Kami Town , Niiya , 20.VI-11.VII.2015 , MsT., S. Fujie leg. (OMNH) ; 1♀ , Hyogo Pref. , Kami Town , Niiya , 15.VI-14.VII.2013 , MsT., S. Fujie & M. Ito leg. (OMNH). Kyushu : 1♂ , Kumamoto Pref. , Izumi Vil. , Mt. Hakucho , 10.VII.1978 , K. Ohara leg. (NARO) . Figure 3. Aridelus elasmuchae Maeto & Kudo, 1992, ♀ from Hyogo Prefecture , Japan A habitus B head, frontal view C head, dorsal view D first metasomal tergite, dorsal view. Distribution. Japan ( Hokkaido ; Honshu : Aomori, Miyagi, Tochigi, Toyama, Hyogo and Tottori Prefectures; Shikoku: Ehime Prefecture; Kyushu : Oita Prefecture) ( Maeto and Kudo 1992 ; Takahashi and Shiraishi 2018 ; Fujie and Katayama 2020 ; present study); Russian Far East ( Yu et al. 2016 ). Hosts. Elasmucha putoni Scott, 1874 ( Acanthosomatidae ) ( Maeto and Kudo 1992 ).